2005 Top 100
9: Booz Allen Hamilton Inc.
| Top 100 Revenue: | $1,775,263,282 |
| Defense Revenue: | $950,423,707 |
| Civilian Revenue: | $824,839,574 |
| 2004 Revenue: | $3 billion |
| 2004 Earnings: | N/A |
| 2003 Revenue: | $2.5 billion |
| 2003 Earnings: | N/A |
| Number of employees: | 16,000 |
| Headquarters: | McLean, Va. |
| Website: | www.boozallen.com |
| Leadership: | Ralph W. Shrader, chairman and CEO |
| Ticker: | N/A |
| Lines of business: | Commercial consulting and government consulting |
| Major customers: | Defense Department, NIH, Federal Deposit Insurance Corp. |
| Major contracts/projects: | Booz Allen is providing IT services to the landmark National Children''s Study for the National Institute of Child Health and Human Development that is examing the effects of environmental influences on the health and development of children from birth to age 21. The value of the contract is $3.1 million for the base year, and $13.2 million over five years. |